I've used them in my .280 ( 140 grain) for about 15 years... Killed an antelope, a big mule deer buck, about 15 whitetails and 9 bull caribou with them...No complaints so far... Most all of my broadside shots have been pass throughs...Some of the raking shots have not passed through, but I can say the same the same thing about the Barnes X bullets I've killed stuff with..

My personal opinion is that they work as well as any standard cup/core bullet and are more accurate than some...My sampling of only 26 animals is probablysmaller than the posters who complain of the BT not performing as it should...